7262820447 has 4 divisors (see below), whose sum is σ = 9683760600. Its totient is φ = 4841880296.

The previous prime is 7262820437. The next prime is 7262820449. The reversal of 7262820447 is 7440282627.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7262820447 - 2¹⁰ = 7262819423 is a prime.

It is a super-2 number, since 2×7262820447² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7262820399 and 7262820408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7262820449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1210470072 + ... + 1210470077.

It is an arithmetic number, because the mean of its divisors is an integer number (2420940150).

Almost surely, 2^7262820447 is an apocalyptic number.

7262820447 is a deficient number, since it is larger than the sum of its proper divisors (2420940153).

7262820447 is a wasteful number, since it uses less digits than its factorization.

7262820447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2420940152.

The product of its (nonzero) digits is 301056, while the sum is 42.

The square root of 7262820447 is about 85222.1828340486. The cubic root of 7262820447 is about 1936.5784845774.

The spelling of 7262820447 in words is "seven billion, two hundred sixty-two million, eight hundred twenty thousand, four hundred forty-seven".